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US3192063A - Method of forming decorative objects from foamed thermoplastic resins - Google Patents

Method of forming decorative objects from foamed thermoplastic resins Download PDF

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Publication number
US3192063A
US3192063A US330932A US33093263A US3192063A US 3192063 A US3192063 A US 3192063A US 330932 A US330932 A US 330932A US 33093263 A US33093263 A US 33093263A US 3192063 A US3192063 A US 3192063A
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solvent
plastic
particles
areas
glitter
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US330932A
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Alfonso M Donofrio
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International Assemblix Corp
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International Assemblix Corp
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Priority to GB51200/64A priority patent/GB1038249A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/26—Inlaying with ornamental structures, e.g. niello work, tarsia work

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  • the present invention relates to a new and improved method of making decorative objects such as signs from thermoplastic resins; and more particularly to a method of forming decorative objects from foamed thermoplastic resins, and to objects made therefrom.
  • An object of the present invention is the provision of a new and improved, fast and inexpensive method of manufacturing decorative objects, such as signs, displays, figures, and other objects, the decorated areas being sunken beneath the level of the remainder of the surface of the object.
  • a more particular object of the invention is the provision of a new and improved, fast and inexpensive method of manufacturing decorative objects such as signs, having a surface with sunken areas with decorative particles, such as glitter, attached to the surface of the depressed areas at various angles.
  • Another object of the instant invention is to provide a decorated object, such as a sign, figure, or other object, having depressed patterned decorative areas which may also have applied decoration material such as colored paint and/or particles, such as glitter or the like.
  • FIGURE 1 is a fragmentary vertical sectional view through a board of plastic foam material having a silk screen stencil temporarily in place on its upper surface;
  • FIGURE 2 is a view similar to FIGURE 1, showing the application of a solvent to the areas of the plastic foam material exposed by the cut-out areas of the silk screen, in this case by a roller;
  • FIGURE 3 is a view similar to FIGURES 1 and 2 showing sunken areas whose cell structure has been collapsed by the solvent;
  • FIGURE 4 is aview similar to FIGURES l, 2 and 3 and showing fiat reflective particles, called glitter applied to the soft plastic layer at the bottom of the sunken areas;
  • FIGURE 5 shows the board inverted to dump excess glitter out of the sunken areas
  • FIGURE 6 is an enlarged fragmentary view of a fragment of one of the sunken areas to whose surface particles of glitter are bonded.
  • FIGURE 7 is an oblique view of an imitation candle having spiraled sunken areas formed according to the invention.
  • the bottoms of the sunken areas are irregular due to the cellular nature of the foamed plastic.
  • the side edges of the sunken areas tend to be somewhat rounded, inasmuch as the solvent that was applied adjacent to the side edges, penetrates sideways as well as downwardly into the foamed plastic.
  • an inert material such as a pigment
  • the solvent may include an additional resinous material to form a paint.
  • the solvent evaporates less slowly, and the solvent appears to be absorbed out of the inert material to some degree by the foamed plastic; so that as the sidewalls of cells collapse, inert material is left in spaced apart areas with clear areas of plastic therebetween to provide a pleasing mottled effect.
  • the solvent-plastic solution is in a tacky viscous condition
  • thin platelike particles of glitter which may be colored, metallic or non-metallic particles which are inert relative to the solvent, are sprinkled into the depressed areas.
  • the glitter is Wetted by the viscous solvent-plastic solution. As the volative solvent vaporizes, it leaves the plastic redistributed as a tough skin at the surface of the sunken areas which bonds the glitter to the surfaces of the sunken areas. Inasmuch as the surfaces of the sunken areas are formed from collapsed cells of the foamed material, the surfaces are highly irregular, and the glitter that is bonded thereto is attached to the plastic at various angles. The result is that the glitter is bonded to the body in a highly random manner which causes spaced apart particles to reflect light from a source directly to a viewer regardless of the angle at'which the body is held relative to the light source.
  • Example 1 Referring to the drawing, a sign '10 was prepared on a flat surface of a piece of foamed polystyrene board 11 approximately /2" thick.
  • the polystyrene material had screen 12 was raised from the surface of the foamed pol-ystyrene board 11.
  • the cell structure of the area to which the toluol was applied had begun to collapse to form sunken areas 15 in the shape of the desired letters and having-a thickened layer of plastic 16 lining their surface.
  • Glitter 17 formed from uniformly out 1.0 mm. squares of an aluminum material having colored anodized coatings on both its-major surfaces was sprinkled upon the surface of the board to fill the recesses.
  • the toluol was allowed to completely dry and thereafter the board was inverted to shake out the excess glitter as seen in FIGURE 5. Substantially all areas of the depressions 15 forming the letters were completely coated with the glitter, the individual particles of which were randomly oriented and tightly bonded to the polystyrene by the plastic 16 which was now dried into a skin. Some of the glitter particles 17 were standing almost on end, others were positioned with .a major surface generally parallel to the surface of the board, while still others were positioned at odd angles, None of the particles of glitter 17 appeared to have a coating of styrene on their outwardly facing surface, and the areas of the depressions adjacent the side edges of the letters were rounded as at 17. The sign so produced had a very pleasing effect and spaced particles of the glitter would glisten regardless of the angle which the sign was held relative to the viewer.
  • Example II A sign was made using the same procedure and materials used in Example I excepting that an acrylic base paint. was used in place of the toluol solvent.
  • the paint consisted essentially of approximately 4.6 parts by weight of arylide red inert pigment, 2.4 parts by weight of hen red inert pigment, 42 parts by weight of a methyl methacrylate resin, 12 parts by weight of ethyl acetate, and 40 parts by weight of xylol.
  • the paint was applied in the manner described in Example I so that a fairly thick coating covered the foamed poly-styrene.
  • the solvent in the paint dissolved the walls of the cells of the foam to provide sunken areas.
  • the pigment remained agglomerated in spaced apart areas leaving substantially clear plastic betweenthe areas of pigment to provide a pleasing mottled effect in the sunken areas of the sign.
  • Example 'I V A sign was prepared as in Example III excepting that a,
  • a solvent containing a pigment and thickened by a resin reduces the rate at which the solvent evaporates, and also serves'the beneficial function of providing a coloring matter in areas where either the glitter may not completely cover, or areas where abrasion may subsequently remove the glitter.
  • FIGURE 7 of the drawing shows a generally cylindrical section 18 of foamed polystyrene shaped in the form of a candle;
  • Four helical sunken strips 19 equally spaced around .the periphery of the cylindrical section were formed, one at -a time, by applying carbon tetrachloride to the surface, with a narrow paint brush
  • the process was repeated using a different color of glitter until helically sunken areas coated with red, green, silver and gold were produced.
  • the resulting article had a very pleasantappearance and was highlydecorative.
  • polystyrene foam is the material from which the decorative-article is made
  • ketone's, esters, aromatic hydrocarbons, and chlorinated hydrocarbons, or mixtures of any of, these solvents with pigments and/ or thickening resins canbe used to dissolve the polystyrene foam and form a sticky film of plastic at the bottom of the sunken areas which will bond inert particles to the polystyrene foam.
  • chloride and vinyl acetate can be dissolved by ke'tones and.
  • esters Foamed materials of cellulose acetate and copolymers thereof, such as a copolymer of cellulose acetate and cellulose butyrate can be dissol-ved by ketones and esters.
  • T he type of glitter or solid decorative material which is bonded to the surface of the sunken areas is relatively unimportant excepting that it should not be dissolved by the solvent for the .plastic.
  • Particles of aluminum, copper, gold, or silver can be used, as well as particles of colored glasses, minerals, and inorganic materials.

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  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Description

A. M. DONOFR 3,192,063 METHOD OF FORMING DECORATIV BJECTS FROM FOAMED THERMOPLASTIC RESINS Filed Dec. 16. 1963 June 29, 1965 v INV EN TOR: ALIUNSU M..UUNUP.HIL7.
ATTYB United States Patent 3,192 963 METHOD OF FURMING DECORATIVE GBEEETS FROM FOAMED THERMOPLASTIC RESINS Alfonso M. Donofrio, Toledo, Ohio, assignor to international Assemblix Corporation, Toledo, ()hio, a corporation of Illinois Filed Dec. 16, 1963, Ser. No. 3%,932 3 Claims. (Cl. 117-85) The present invention relates to a new and improved method of making decorative objects such as signs from thermoplastic resins; and more particularly to a method of forming decorative objects from foamed thermoplastic resins, and to objects made therefrom.
An object of the present invention is the provision of a new and improved, fast and inexpensive method of manufacturing decorative objects, such as signs, displays, figures, and other objects, the decorated areas being sunken beneath the level of the remainder of the surface of the object.
A more particular object of the invention is the provision of a new and improved, fast and inexpensive method of manufacturing decorative objects such as signs, having a surface with sunken areas with decorative particles, such as glitter, attached to the surface of the depressed areas at various angles.
Another object of the instant invention is to provide a decorated object, such as a sign, figure, or other object, having depressed patterned decorative areas which may also have applied decoration material such as colored paint and/or particles, such as glitter or the like.
Further objects and advantages will become apparent to those skilled in the art to which the invention relates from the following description described with reference to the accompanying drawing forming a part of this specification, and in which:
FIGURE 1 is a fragmentary vertical sectional view through a board of plastic foam material having a silk screen stencil temporarily in place on its upper surface;
FIGURE 2 is a view similar to FIGURE 1, showing the application of a solvent to the areas of the plastic foam material exposed by the cut-out areas of the silk screen, in this case by a roller;
FIGURE 3 is a view similar to FIGURES 1 and 2 showing sunken areas whose cell structure has been collapsed by the solvent;
FIGURE 4 is aview similar to FIGURES l, 2 and 3 and showing fiat reflective particles, called glitter applied to the soft plastic layer at the bottom of the sunken areas;
FIGURE 5 shows the board inverted to dump excess glitter out of the sunken areas;
FIGURE 6 is an enlarged fragmentary view of a fragment of one of the sunken areas to whose surface particles of glitter are bonded; and
FIGURE 7 is an oblique view of an imitation candle having spiraled sunken areas formed according to the invention.
According to the invention it has been found that very attractive displays, signs, figures, and the like, can be produced by applying a volatile solvent to defined areas of a surface of a body of foamed thermoplastic resin. The solvent dissolves the walls of the cells of the plastic adjacentthe surface of the body to cause the cells to collapse. The solvent is thickened by the plastic which it dissolves, and the thickened solvent flows to the bottom of the next succeeding layer of cells below the surface of the body where it in turn dissolves the plastic forming the sidewalls of the cells, and the solution of the solvent and plastic becomes still thicker. It has been found that the dissolving action of the solution decreases as the solution becomes thickened, and this thickened solution dries "ice into a thin skin at the bottom of the sunken areas. The bottoms of the sunken areas are irregular due to the cellular nature of the foamed plastic. In addition, when the solvent is applied to thetop surface of the foamed plastic body, the side edges of the sunken areas tend to be somewhat rounded, inasmuch as the solvent that was applied adjacent to the side edges, penetrates sideways as well as downwardly into the foamed plastic.
In some instances an inert material, such as a pigment, may be mixed with the solvent, and in addition the inert material and solvent may include an additional resinous material to form a paint. Where an inert material, or inert material and resin are included with the solvent, the solvent evaporates less slowly, and the solvent appears to be absorbed out of the inert material to some degree by the foamed plastic; so that as the sidewalls of cells collapse, inert material is left in spaced apart areas with clear areas of plastic therebetween to provide a pleasing mottled effect.
While the solvent-plastic solution is in a tacky viscous condition, thin platelike particles of glitter, which may be colored, metallic or non-metallic particles which are inert relative to the solvent, are sprinkled into the depressed areas. The glitter is Wetted by the viscous solvent-plastic solution. As the volative solvent vaporizes, it leaves the plastic redistributed as a tough skin at the surface of the sunken areas which bonds the glitter to the surfaces of the sunken areas. Inasmuch as the surfaces of the sunken areas are formed from collapsed cells of the foamed material, the surfaces are highly irregular, and the glitter that is bonded thereto is attached to the plastic at various angles. The result is that the glitter is bonded to the body in a highly random manner which causes spaced apart particles to reflect light from a source directly to a viewer regardless of the angle at'which the body is held relative to the light source.
Example 1 Referring to the drawing, a sign '10 was prepared on a flat surface of a piece of foamed polystyrene board 11 approximately /2" thick. The polystyrene material had screen 12 was raised from the surface of the foamed pol-ystyrene board 11. At this time the cell structure of the area to which the toluol was applied had begun to collapse to form sunken areas 15 in the shape of the desired letters and having-a thickened layer of plastic 16 lining their surface. Glitter 17 formed from uniformly out 1.0 mm. squares of an aluminum material having colored anodized coatings on both its-major surfaces was sprinkled upon the surface of the board to fill the recesses. The toluol was allowed to completely dry and thereafter the board was inverted to shake out the excess glitter as seen in FIGURE 5. Substantially all areas of the depressions 15 forming the letters were completely coated with the glitter, the individual particles of which were randomly oriented and tightly bonded to the polystyrene by the plastic 16 which was now dried into a skin. Some of the glitter particles 17 were standing almost on end, others were positioned with .a major surface generally parallel to the surface of the board, while still others were positioned at odd angles, None of the particles of glitter 17 appeared to have a coating of styrene on their outwardly facing surface, and the areas of the depressions adjacent the side edges of the letters were rounded as at 17. The sign so produced had a very pleasing effect and spaced particles of the glitter would glisten regardless of the angle which the sign was held relative to the viewer.
Example II Example III A sign was made using the same procedure and materials used in Example I excepting that an acrylic base paint. was used in place of the toluol solvent. The paint consisted essentially of approximately 4.6 parts by weight of arylide red inert pigment, 2.4 parts by weight of hen red inert pigment, 42 parts by weight of a methyl methacrylate resin, 12 parts by weight of ethyl acetate, and 40 parts by weight of xylol. The paint was applied in the manner described in Example I so that a fairly thick coating covered the foamed poly-styrene. The solvent in the paint dissolved the walls of the cells of the foam to provide sunken areas. As the solvent from the paint was absorbed by the cells of the foam to collapse the cells and form the sunken areas, the pigment remained agglomerated in spaced apart areas leaving substantially clear plastic betweenthe areas of pigment to provide a pleasing mottled effect in the sunken areas of the sign.
Example 'I V A sign was prepared as in Example III excepting that a,
glitter of Substantially the same color as the pigment of the paint was poured into the sunken areas while the surface of the sunken areas was tacky. The glitter which did not adherewas removed by inverting the sign. The parti cles of glitter stuck to the bottom of the sunken areas in generally the same random fashion as described above in Example Li A solvent containing a pigment and thickened by a resin reduces the rate at which the solvent evaporates, and also serves'the beneficial function of providing a coloring matter in areas where either the glitter may not completely cover, or areas where abrasion may subsequently remove the glitter.
Example V 7 FIGURE 7 of the drawing shows a generally cylindrical section 18 of foamed polystyrene shaped in the form of a candle; Four helical sunken strips 19 equally spaced around .the periphery of the cylindrical section were formed, one at -a time, by applying carbon tetrachloride to the surface, with a narrow paint brush After each sunken helicalstrip had beenproduced by the carbon tetrachloride, and while the surface of the sunken area was still tacky, glitter of one color was applied and the carbon tetrachloride was allowed to fully evaporate so that th glitter Was firmly held in place. The process was repeated using a different color of glitter until helically sunken areas coated with red, green, silver and gold were produced. The resulting article had a very pleasantappearance and was highlydecorative.
Where polystyrene foam is the material from which the decorative-article is made, ketone's, esters, aromatic hydrocarbons, and chlorinated hydrocarbons, or mixtures of any of, these solvents with pigments and/ or thickening resins, canbe used to dissolve the polystyrene foam and form a sticky film of plastic at the bottom of the sunken areas which will bond inert particles to the polystyrene foam.
chloride and vinyl acetate can be dissolved by ke'tones and.
esters. Foamed materials of cellulose acetate and copolymers thereof, such as a copolymer of cellulose acetate and cellulose butyrate can be dissol-ved by ketones and esters.
T he type of glitter or solid decorative material which is bonded to the surface of the sunken areas is relatively unimportant excepting that it should not be dissolved by the solvent for the .plastic. Particles of aluminum, copper, gold, or silver can be used, as well as particles of colored glasses, minerals, and inorganic materials.
It will be apparent that a new and improved, fast and inexpensive method has been provided for producing decorative articles such as signs having sunken areas that resemble carvings and whichare coated with pigments and/ or glitter.
While the invention has been described in considerable detail, the invention is not to be limited to the particular embodiments above described, and it is intended to cover hereby all novel adaptations, modifications, and arrangements thereof which come within the practice of those skilled in the art to which the invention relates.
What I claim is:
-1.A method for producing decorative effects in the surface of a body of cellular plastic material which material can be dissolved by a solvent, said method comprising the steps. of: (l) applying a pigment-containing evaporable solvent for said plastic to a defined area of such surface at :a predetermined and substantially uniform volume per unit of surface area to dissolve the plastic material constituting the walls of the cells of said vmaterial adiacent the surface of said area and to form a depression in such surface corresponding to said defined area, whereby a solution of said solvent and said plastic wall-forming material flows as a liquid surface layer for such depression and for the irregularities in the surface thereof resulting from the collapse of the cells; (2) heterogeneously:
scattering plate-like particles of material that is insoluble in. said solvent and said solution and that has highly light reflective surfaces onto said liquid surface layer While said liquid surface layer is in a tacky condition to bond and partially to embed said particles therein atrandom angles relative to the general surf-ace of said depression and (3) evaporating said solvent thereby solidifying said liquid surface layer and adhering said particles to the depressed area of the cellular plastic material.
2. The methodof claim 1 wherein the cellular plastic material is foamed polystyrene.
3. The method of claim =2 wherein the :plate-like particles are glitter.
ReferencesCited by the Examiner UNITED STATES PATENTS- 1,149,974 8/ 15 Chisholm 117-31 X 2,345,376 3/44 Bodle et al. 117-33 2,5 06, 5/50 Mountcastle 117-31 X 2,572,719 10/51 Ginell et a1 264-341 X 2,663,911 12 53 Waag et al 117-10 X 2,953,469 9/60 Fox 117-33 X OTHER REFERENCES Why Santa Uses More Plastics, Modern Plastics, vol. 27, N0. 12, August 1950 (pp. 55-60 relied upon).
WILLIAM D. MARTIN-Primary Examiner.

Claims (1)

1. A METHOD FOR PRODUCING DECORATIVE EFFECTS IN THE SURFACE OF A BODY OF CELLULAR PLASTIC MATERIAL WHICH MATERIAL CAN BE DISSOLVED BY A SOLVENT, SAID METHOD COMPRISING THE STEPS OF: (1) APPLYING A PIGMENT-CONTAINING EVAPORABLE SOLVENT FOR SAID PLASTIC TO A DEFINED AREA OF SUCH SURFACE AT A PREDETERMINED AND SUBSTANTIALLY UNIFORM VOLUME PER UNIT OF SURFACE AREA TO DISSOLVE THE PLASTIC MATERIAL CONSTITUTING THE WALLS OF THE CELLS OF SAID MATERIAL ADJACENT THE SURFACE OF SAID AREA AND TO FORM A DEPRESSION IN SUCH SURFACE CORRESPONDING TO SAID DEFINED AREA, WHEREBY A SOLUTION OF SAID SOLVENT AND SAID PLASTIC WALL-FORMING MATERIAL FLOWS AS A LIQUID SURFACE LAYER FOR SUCH DEPRESSION AND FOR THE IRREGULARITIES IN THE SURFACE THEREOF RESULTING FROM THE COLLAPSE OF THE CELLS; (2) HETEROGENEOUSLY SCATTERING PLATE-LIKE PARTICLES OF MATERIAL THAT IS INSOLUBLE IN SAID SOLVENT AND SAID SOLUTION AND THAT HAS HIGHLY LIGHT REFLECTIVE SURFACES ONTO SAID LIQUID SURFACE LAYER WHILE SAID LIQUID SURFACE LAYER IS IN A TACKY CONDITION TO BOND AND PARTIALLY TO EMBED SAID PARTICLES THEREIN AT RANDOM ANGLES REALTIVE TO THE GENERAL SURFACE OF SAID DEPRESSION AND (3) EVAPORATING SAID SOLVENT THEREBY SOLIDIFYING SAID LIQUID SURFACE LAYER AND ADHERING SAID PARTICLES TO THE DEPRESSED AREA OF THE CELLULAR PLASTIC MATERIAL.
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3516888A (en) * 1966-09-28 1970-06-23 Wilburn E Bahner Method of mounting stones in a foam plastic panel
US3751282A (en) * 1971-07-08 1973-08-07 Chroma Printing Corp Methods for color printing and articles made thereby
JPS5038767A (en) * 1973-08-10 1975-04-10
US4079673A (en) * 1975-12-30 1978-03-21 Bernstein Donald J Raised printing on light-transmitting sheet material
US4091154A (en) * 1975-06-20 1978-05-23 Tokiwa Leather Industrial Co., Ltd. Decorative synthetic resin sheets having three-dimensional pattern for walls, ceilings or furniture and process for manufacturing same
US4163813A (en) * 1976-04-26 1979-08-07 Sheets James R Method of preparing and applying artistic, decorative compositions
US4331503A (en) * 1979-08-06 1982-05-25 Benjamin Charles M Manufacture of solar collector panels
US4385088A (en) * 1981-05-22 1983-05-24 David Baskin Decorative artificial rock-like article
US5624510A (en) * 1992-02-25 1997-04-29 Cca Inc. Method for producing patterned shaped article
US5670237A (en) * 1995-06-07 1997-09-23 Mannington Mills, Inc. Method for making a surface covering product and products resulting from said method
US5891564A (en) * 1995-06-07 1999-04-06 Mannington Mills, Inc. Decorative surface coverings
JP2017518162A (en) * 2014-02-28 2017-07-06 ゼネラル・エレクトリック・カンパニイ Porous membrane pattern formation technology

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1149974A (en) * 1914-11-09 1915-08-10 Clifton Chisholm Lithographic plate and the process for producing the same.
US2345376A (en) * 1939-12-20 1944-03-28 Mishawaka Rubber & Woolen Mfg Method of making flocked floor coverings
US2506165A (en) * 1945-11-07 1950-05-02 Everett D Mccurdy Method of forming designs in resinous plastic articles
US2572719A (en) * 1947-11-04 1951-10-23 Ginell Robert Plastic article and method of treatment
US2663911A (en) * 1951-06-27 1953-12-29 Gen Motors Corp Method of decorating plastics
US2953469A (en) * 1958-11-24 1960-09-20 Thomas M Fox Simulated stone product and method of forming same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1149974A (en) * 1914-11-09 1915-08-10 Clifton Chisholm Lithographic plate and the process for producing the same.
US2345376A (en) * 1939-12-20 1944-03-28 Mishawaka Rubber & Woolen Mfg Method of making flocked floor coverings
US2506165A (en) * 1945-11-07 1950-05-02 Everett D Mccurdy Method of forming designs in resinous plastic articles
US2572719A (en) * 1947-11-04 1951-10-23 Ginell Robert Plastic article and method of treatment
US2663911A (en) * 1951-06-27 1953-12-29 Gen Motors Corp Method of decorating plastics
US2953469A (en) * 1958-11-24 1960-09-20 Thomas M Fox Simulated stone product and method of forming same

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3516888A (en) * 1966-09-28 1970-06-23 Wilburn E Bahner Method of mounting stones in a foam plastic panel
US3751282A (en) * 1971-07-08 1973-08-07 Chroma Printing Corp Methods for color printing and articles made thereby
JPS5038767A (en) * 1973-08-10 1975-04-10
US4091154A (en) * 1975-06-20 1978-05-23 Tokiwa Leather Industrial Co., Ltd. Decorative synthetic resin sheets having three-dimensional pattern for walls, ceilings or furniture and process for manufacturing same
US4079673A (en) * 1975-12-30 1978-03-21 Bernstein Donald J Raised printing on light-transmitting sheet material
US4163813A (en) * 1976-04-26 1979-08-07 Sheets James R Method of preparing and applying artistic, decorative compositions
US4331503A (en) * 1979-08-06 1982-05-25 Benjamin Charles M Manufacture of solar collector panels
US4385088A (en) * 1981-05-22 1983-05-24 David Baskin Decorative artificial rock-like article
US5624510A (en) * 1992-02-25 1997-04-29 Cca Inc. Method for producing patterned shaped article
US5670237A (en) * 1995-06-07 1997-09-23 Mannington Mills, Inc. Method for making a surface covering product and products resulting from said method
US5891564A (en) * 1995-06-07 1999-04-06 Mannington Mills, Inc. Decorative surface coverings
JP2017518162A (en) * 2014-02-28 2017-07-06 ゼネラル・エレクトリック・カンパニイ Porous membrane pattern formation technology

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